DEVSUPPORT-1162: Adds missing capistano tasks
MISC: Alters  QA database settings
DEVSUPPORT-1162: Fixes broken pointers in database.yml
DEVSUPPORT-1162: Fixes pgpass tempfile flushing
DEVSUPPORT-1162: Fixes migration to use RAILS_ENV
DEVSUPPORT-1162: Fixes DB password setting to use the current stage
MISC: Gets rid of unneccessay --trace flag